The following scatterplot shows monthly sales figures (in units) and number of
months of experience on the job for a sample of 19 salespeople. a.Describe the association between monthly sales and level of experience.
b.Do these data satisfy the conditions for computing a correlation coefficient? Explain.
c.Estimate the correlation.

Question

The following scatterplot shows monthly sales figures (in units) and number of
months of experience on the job for a sample of 19 salespeople.  a.Describe the association between monthly sales and level of experience.
b.Do these data satisfy the conditions for computing a correlation coefficient? Explain.
c.Estimate the correlation.

Quizplus · Accepted Answer

The Answer is a.Positive and strong.
b.Yes: variables are quantitative, the relationship is straight enough, and there are no
apparent outliers.
c..914 is the correlation; a value between .85 and .95 is acceptable.

The Following Scatterplot Shows Monthly Sales Figures (In Units) and Number